Is the Sigma 14–24mm f/2.8 DN Art Mirrorless The New Sony FE Ultra-Wide Champion?

Sigma Art lenses have gained a reputation for being extremely sharp, indeed, they are ready for the next generation of high-megapixel digital cameras. Now, Sigma has taken it one step further, potentially disproving all the nay-sayers who claimed that high-end full-frame mirrorless lenses couldn’t actually be smaller (or cheaper) than their DSLR…